MESON Chess Problem Database
Problem Display
PID: 272472 (4R3/8/3p4/8/N2k1B2/1r2N3/B2nKP2/8 w - - 0 1)
Notaro, Rosario
diagrammes, 1977
#2
7 + 4
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sc2#
- 2.Sf5#
- 1...Rb2
- 2.Sf5#
- 1...Ra3
- 2.Sc2#
- 2.Sf5#
- 1...Rc3
- 2.Sf5#
- 1...Rd3
- 2.Sc2#
- 2.Sf5#
- 1...Rxe3+
- 2.Bxe3#
- 2.fxe3#
- 1...Rb4
- 2.Sc2#
- 2.Sf5#
- 1...Rb5
- 2.Sc2#
- 1...Rb6
- 2.Sc2#
- 2.Sf5#
- 1...Rb7
- 2.Sc2#
- 2.Sf5#
- 1...Rb8
- 2.Sc2#
- 2.Sf5#
- 1...Rb1
- Tries
- 1.f3?
- 1...Rxe3+
- 2.Bxe3#
- 1...Sc4
- 2.Re4#
- 1...Rb1
- 2.Sc2#
- 2.Sf5#
- 1...Rb2
- 2.Sf5#
- 1...Ra3
- 2.Sc2#
- 2.Sf5#
- 1...Rc3
- 2.Sf5#
- 1...Rd3
- 2.Sc2#
- 2.Sf5#
- 1...Rb4
- 2.Sc2#
- 2.Sf5#
- 1...Rb5
- 2.Sc2#
- 1...Rb6
- 2.Sc2#
- 2.Sf5#
- 1...Rb7
- 2.Sc2#
- 2.Sf5#
- 1...Rb8
- 2.Sc2#
- 2.Sf5#
- 1...Sb1
- 2.Re4#
- 1...Sf1
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...d5
- 2.Be5#
- 1...Sxf3!
- 1...Rxe3+
- 1.f3?
- Keys
- 1.Bxd6!
- threat
- 2.Bc5#
- 1...Rxe3+
- 2.fxe3#
- 1...Rc3
- 2.Sf5#
- 1...Rb5
- 2.Sc2#
- 1...Se4
- 2.Be5#
- threat
- 1.Bxd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(b);::S(D)
- Tries
- Try
- P(C);
- Vars
- R(b);CHECK,OGATE,XS(D)::B(F),XR(b)
- S(a);N_GUARD::R1(G)
- R(b);::S(D)
- S(a);N_GUARD::R1(G),XS(a)
- P(d);N_GUARD::B(F)
- Refutation
- S(a);XP(C)
- Try
- Actual
- B(F);XP(d)
- Threat
- B(F)
- Vars
- R(b);CHECK,OGATE,XS(D)::P(C),XR(b)
- R(b);::S(D)
- S(a);SBLOCK::B(F)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).